Results for "Astrophysical observatories"
Secretary Samuel P. Langley
- Date: c. 1895
- Creator: Unknown
- Creator: Unknown
Langley's Aerodrome Shop, South Shed
- Date: 1900
- Creator: Unknown
- Creator: Unknown
Alexander Dallas Bache Urges Joseph Henry to Become Smithsonian's First Secretary
- Date: December 4, 1846
- SI History Bibliography
Reaching Toward Space
- Date: February 2001
- Creator: Crouch, Tom D
- Creator: Crouch, Tom D
- Smithsonian Legal Document
Smithsonian Institution, Board of Regents, Minutes, 2015
- Date: 2015 April 13, 2015
- Creator: Board of Regents
- Creator: Board of Regents
- SI History Chronology
Board of Regents Appoints Secretarial Search Committee
- Date: May 8, 2007
Secretary Samuel P. Langley
- Date: 1901
- Creator: Unknown
- Creator: Unknown
- SI History Bibliography
Around the World with the Smithsonian
- Date: 2004
- Creator: Craig, William O
- Creator: Craig, William O
SI Officials at East Door to SI Building
- Date: 1915
- Creator: Unknown
- Creator: Unknown
- SI History Bibliography
A Surprising New Oasis Blossoms at the Smithsonian
- Date: July 1987
- Creator: Buckler, James R
- Creator: Buckler, James R
- SI History Chronology
Samuel Langley Elected Third Secretary
- Date: November 18, 1887
Secretary Charles G. Abbot Reading the Pyrheliometer
- Date: c. 1940
